High number of items per page or low number with more category pages?

[Peter264]

In SEO terms, what would be the best method: High number of items per page or low number with more pages?

For example, this category listing here:

http://flyawaysimulation.com/downloads/90/fsx-civil-aircraft/

It has 10 items per page.  Would there be any benefit of changing a listing like that to 20 items in order to decrease the number of pages in the category?

Also, what other ways could you increase the SEO of category listings like that?

[StalkerB]

I believe this will help you tremendously - http://www.seomoz.org/blog/pagination-best-practices-for-seo-user-experience

[STPseo]

In this case I would focus on usability first. You may find that you help SEO but your conversion rates go down. I would do A B testing with both formats and use the one that performs the best. Customer usability is more important in my opinion so find that out first and optimize the best performing layout.